题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005758-44060.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005758-41041.png)
(I) 求
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005758-18637.png)
(II)求
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005758-23365.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005758-40453.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005759-42414.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005759-77704.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005758-18637.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005758-23365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005758-41041.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005759-80671.png)
解:
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005759-37998.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005759-59009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005800-18259.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005800-54082.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005758-40453.png)
(I)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005800-86028.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005800-93501.png)
(II)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005800-65257.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005801-82010.png)
又
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005801-72049.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005801-94702.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005801-82412.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005801-87064.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005802-94225.png)
核心考点
试题【(本小题满分14分)已知角,且,(I) 求的值;(II)求的值.】;主要考察你对同角三角函数的基本关系等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005751-93976.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005751-16076.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005751-47111.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005752-67978.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005752-76611.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005752-97463.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005752-97997.png)
(Ⅰ)求直线
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005752-76611.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005752-24586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005745-58416.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005745-79662.png)
A.关于点(![]() | B.关于直线x=![]() |
C.关于点(![]() | D.关于直线x=![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005742-79478.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005742-33571.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005742-20874.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005735-86505.png)
(I)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005735-45016.png)
(II)设函数
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005735-97815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005736-68729.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005736-70049.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005736-58746.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005736-41543.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005735-97815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005736-19748.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005730-29249.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005730-78193.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005731-40961.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005731-47502.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005731-23379.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005731-27577.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20190824/20190824005731-16696.png)
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